[_whiteCaps_]

My Polish coworkers say that's due to the senior citizens stuck in a Soviet occupation mindset, and they're doing things like burning plastic trash to heat their homes.

I really enjoyed Warsaw in December, the air seemed fine to me.

[ponector]

Some people are burning trash at home, but the air pollution is mostly due to use of local coal for individual heating. Funny enough, their coal is called Eko-groszek. Eco!